What If? : Trans-Atlantic Superconductor
One principle tenant to avoid the worst of climate change is to electrify everything and move away from fossil fuel sources towards renewable sources. Unfortunately renewable sources are intermittent and so we need to find solutions for when the sun doesn’t shine or the wind doesn’t blow. One way around this is to physically place…
AIRROBO T9 Battery Fix
I got myself a robot vacuum about 2 years ago to help me battle the dust generated by 2 fluffy cats and humans in a tiny apartment. Got to say its one of the best purchases (and deals!) I’ve ever made as I had no idea how dirty my floors were until they were swept…
Electro-melt Kiln Fix
You can tell a device is engineer named when the device starts with “Electro”. But naming conventions is probably best relegated to a different post so instead will dive into my foray into trying to fix a defunct kiln. These kilns are designed to hold standard graphite crucibles used to melt ~1kg of metal up…
Nutribullet Gear Fix
Needed to rant so I turn to the internet. Who knew fixing a Nutribullet would be so difficult. A bit of background – the Nutribullet I’ve been using for the past 7 years decided it had its last turn. The issue was the main gear that interfaces with the blender cup decided to grind itself…
EFNMR: I2S troubleshooting
With the board assembled and the filter issues figured out the next step is to figure out the digitization process. For this we’re using a PCM186X family of audio analog converters which relies on utilizing the I2S protocol. In addition to the PCM186X device I’ve also got a SI5351a frequency generator in order to have…
EFNMR Assembly
Assembly Last week assembly of the power supply stages went without a hitch so this week was spent assembling the remainder of the components. This included the front end module, ADC, and clock generator. Below is a few pictures of the final product. Power Testing After assembling the board the next step is powering. Always…
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